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changed getIntersections() to getAllIntersections() to indicate that the method returns more than may be needed. Updatee docs, and clarified the differences between intersects(), getIntersection(), and getAllIntersections()

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This commit is contained in:
Eric Rowell
2013-05-17 15:50:53 -07:00
parent 4d682529b6
commit 3433086079
6 changed files with 33 additions and 30 deletions
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6
src/Container.js
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@@ -155,12 +155,12 @@
return node;
},
/**
* get shapes that intersect a point
* get all shapes that intersect a point
* @method
* @memberof Kinetic.Container.prototype
* @param {Object} point
* @param {Object} pos
*/
getIntersections: function() {
getAllIntersections: function() {
var pos = Kinetic.Util._getXY(Array.prototype.slice.call(arguments));
var arr = [];
var shapes = this.get('Shape');

2
src/Global.js
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@@ -74,7 +74,7 @@ var Kinetic = {};
* context.quadraticCurveTo(300, 100, 260, 170);<br>
* context.closePath();<br>
* canvas.fillStroke(this);<br>
* }
* }<br>
*});
*/
Kinetic.Shape = function(config) {

6
src/Layer.js
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@@ -11,9 +11,11 @@
this.hitCanvas = new Kinetic.HitCanvas();
},
/**
* get intersection object that contains shape and pixel data
* get visible intersection object that contains shape and pixel data. This is the preferred
* method for determining if a point intersects a shape or not
* @method
* @memberof Kinetic.Node.prototype
* @memberof Kinetic.Layer.prototype
* @param {Object} pos point object
*/
getIntersection: function() {
var pos = Kinetic.Util._getXY(Array.prototype.slice.call(arguments)),

2
src/Shape.js
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@@ -76,7 +76,7 @@
/**
* determines if point is in the shape, regardless if other shapes are on top of it. Note: because
* this method clears a temp hit canvas, and redraws the shape, it performs very poorly if executed many times
* consecutively. If possible, it's better to use the stage.getIntersections() method instead
* consecutively. If possible, it's better to use the stage.getIntersection() method instead
* @method
* @memberof Kinetic.Shape.prototype
* @param {Object} point point can be an object containing

3
src/Stage.js
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@@ -252,7 +252,8 @@
this.toDataURL(config);
},
/**
* get intersection object that contains shape and pixel data
* get visible intersection object that contains shape and pixel data. This is the preferred
* method for determining if a point intersects a shape or not
* @method
* @memberof Kinetic.Stage.prototype
* @param {Object} pos point object

44
tests/js/unit/stageTests.js
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@@ -77,7 +77,7 @@ Test.Modules.STAGE = {
test(stage.getContent().className === 'kineticjs-content', 'stage DOM class name is wrong');
},
'stage getIntersections()': function(containerId) {
'stage getAllIntersections()': function(containerId) {
var stage = new Kinetic.Stage({
container: containerId,
width: 578,
@@ -116,7 +116,7 @@ Test.Modules.STAGE = {
},
'test getIntersections': function(containerId) {
'test getAllIntersections': function(containerId) {
var stage = new Kinetic.Stage({
container: containerId,
width: 578,
@@ -150,50 +150,50 @@ Test.Modules.STAGE = {
stage.add(layer);
// test individual shapes
test(stage.getIntersections(266, 114).length === 1, '17) getIntersections should return one shape');
test(stage.getIntersections(266, 114)[0].getId() === 'greenCircle', '19) first intersection should be greenCircle');
test(stage.getAllIntersections(266, 114).length === 1, '17) getAllIntersections should return one shape');
test(stage.getAllIntersections(266, 114)[0].getId() === 'greenCircle', '19) first intersection should be greenCircle');
test(stage.getIntersections(414, 115).length === 1, '18) getIntersections should return one shape');
test(stage.getIntersections(414, 115)[0].getId() === 'redCircle', '20) first intersection should be redCircle');
test(stage.getAllIntersections(414, 115).length === 1, '18) getAllIntersections should return one shape');
test(stage.getAllIntersections(414, 115)[0].getId() === 'redCircle', '20) first intersection should be redCircle');
test(stage.getIntersections(350, 118).length === 2, '1) getIntersections should return two shapes');
test(stage.getIntersections(350, 118)[0].getId() === 'redCircle', '2) first intersection should be redCircle');
test(stage.getIntersections(350, 118)[1].getId() === 'greenCircle', '3) second intersection should be greenCircle');
test(stage.getAllIntersections(350, 118).length === 2, '1) getAllIntersections should return two shapes');
test(stage.getAllIntersections(350, 118)[0].getId() === 'redCircle', '2) first intersection should be redCircle');
test(stage.getAllIntersections(350, 118)[1].getId() === 'greenCircle', '3) second intersection should be greenCircle');
// hide green circle. make sure only red circle is in result set
greenCircle.hide();
layer.draw();
test(stage.getIntersections(350, 118).length === 1, '4) getIntersections should return one shape');
test(stage.getIntersections(350, 118)[0].getId() === 'redCircle', '5) first intersection should be redCircle');
test(stage.getAllIntersections(350, 118).length === 1, '4) getAllIntersections should return one shape');
test(stage.getAllIntersections(350, 118)[0].getId() === 'redCircle', '5) first intersection should be redCircle');
// show green circle again. make sure both circles are in result set
greenCircle.show();
layer.draw();
test(stage.getIntersections(350, 118).length === 2, '6) getIntersections should return two shapes');
test(stage.getIntersections(350, 118)[0].getId() === 'redCircle', '7) first intersection should be redCircle');
test(stage.getIntersections(350, 118)[1].getId() === 'greenCircle', '8) second intersection should be greenCircle');
test(stage.getAllIntersections(350, 118).length === 2, '6) getAllIntersections should return two shapes');
test(stage.getAllIntersections(350, 118)[0].getId() === 'redCircle', '7) first intersection should be redCircle');
test(stage.getAllIntersections(350, 118)[1].getId() === 'greenCircle', '8) second intersection should be greenCircle');
// hide red circle. make sure only green circle is in result set
redCircle.hide();
layer.draw();
test(stage.getIntersections(350, 118).length === 1, '9) getIntersections should return one shape');
test(stage.getIntersections(350, 118)[0].getId() === 'greenCircle', '10) first intersection should be greenCircle');
test(stage.getAllIntersections(350, 118).length === 1, '9) getAllIntersections should return one shape');
test(stage.getAllIntersections(350, 118)[0].getId() === 'greenCircle', '10) first intersection should be greenCircle');
// show red circle again. make sure both circles are in result set
redCircle.show();
layer.draw();
test(stage.getIntersections(350, 118).length === 2, '11) getIntersections should return two shapes');
test(stage.getIntersections(350, 118)[0].getId() === 'redCircle', '12) first intersection should be redCircle');
test(stage.getIntersections(350, 118)[1].getId() === 'greenCircle', '13) second intersection should be greenCircle');
test(stage.getAllIntersections(350, 118).length === 2, '11) getAllIntersections should return two shapes');
test(stage.getAllIntersections(350, 118)[0].getId() === 'redCircle', '12) first intersection should be redCircle');
test(stage.getAllIntersections(350, 118)[1].getId() === 'greenCircle', '13) second intersection should be greenCircle');
// test from layer
test(layer.getIntersections(350, 118).length === 2, '14) getIntersections should return two shapes');
test(layer.getIntersections(350, 118)[0].getId() === 'redCircle', '15) first intersection should be redCircle');
test(layer.getIntersections(350, 118)[1].getId() === 'greenCircle', '16) second intersection should be greenCircle');
test(layer.getAllIntersections(350, 118).length === 2, '14) getAllIntersections should return two shapes');
test(layer.getAllIntersections(350, 118)[0].getId() === 'redCircle', '15) first intersection should be redCircle');
test(layer.getAllIntersections(350, 118)[1].getId() === 'greenCircle', '16) second intersection should be greenCircle');
},
'scale stage after add layer': function(containerId) {